Grundfos Fire NKF Series, Installation And Operating Instructions Manual

Page: 27 / 36

English (GB)
27
15. Technical data
15.1 Fire pump set
15.2 Sound pressure level
For more information on sound pressure level, see page 31.
The sound pressure is measured without a silencer and 1 m away
from the pump set.
15.3 Pump
The position numbers refer to the exploded view on page 33.
15.3.1 Permissible flange forces and flange torques
Fig. 28 Flange forces and torques
*
Σ
F and
Σ
M are the vector sums of the forces and torques.
If not all loads reach the maximum permissible value, one of the
values may exceed the normal limit. Contact Grundfos for further
information.
15.4 Battery
Dimensions: See page 30.
Weight:
See page 30.
Note
The silencer supplied is designed for the
requirements of the industrial market. If you have
higher noise level requirements, you can order
and install another silencer.
Technical data: See page 30.
Flow rate: See nameplate of the pump.
Total head: See nameplate of the pump.
Max. operating pressure: See nameplate of the pump.
Approval:
See nameplate of the pump.
Pos. Designation
Quantity Di
m
e
nsion
Torq
u
e
s
[Nm] Lubri
cant
17a Air vent screw 1 1/8" 15 ± 2
20 Pipe plug 2
1/2" 30 ± 7
Threadlocker
3/8" 25 ± 6
36,
36a
Nut
6 M10 45 ± 9
Thread-Eze
10 M12 80 ± 16
105 Shaft seal 1
Soapy water
72a O-ring 1
67 Impeller nut 1
M14 40 ± 4
Thread-Eze
M18 60 ± 6
90d Screw
4 M6 10 ± 2
Thread-Eze
2, 6 M8 12 ± 3
4 M10 23 ± 5
6, 8, 10 M12 40 ± 8
4, 8 M16 80 ± 16
4, 8 M20 120 ± 24
4 M24 120 ± 24
TM
04
5
621
36
09
Grey cast iron
Diameter
DN
Forces
[N]
Fy Fz Fx
Σ
F*
Horizontal pump
z-axis discharge port
32 315 298 368 578
40 385 350 438 683
50 525 473 578 910
65 648 595 735 1155
80 788 718 875 1383
100 1050 945 1173 1838
125 1243 1120 1383 2170
150 1575 1418 1750 2748
Horizontal pump
x-axis suction port
50 578 525 473 910
65 735 648 595 1155
80 875 788 718 1383
100 1173 1050 945 1838
125 1383 1243 1120 2170
150 1750 1575 1418 2748
200 2345 2100 1890 4055
Grey cast iron
Diameter
DN
Torques
[Nm]
My Mz Mx
Σ
M*
Horizontal pump
z-axis discharge port
32 263 298 385 560
40 315 368 455 665
50 350 403 490 718
65 385 420 525 770
80 403 455 560 823
100 438 508 613 910
125 525 665 785 1068
150 613 718 875 1278
Horizontal pump
x-axis suction port
50 350 403 490 718
65 385 420 525 770
80 403 455 560 823
100 438 508 613 910
125 525 665 785 1068
150 613 718 875 1278
200 805 928 1138 1680
Pieces: 12 V - 1 per starter set
24 V - 2 per starter set
Battery voltage: 12 V
Starter set voltage: 12 or 24 V
Technical data:
See page 31.